<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title></title>
		<meta name="viewport" content="width=device-width, initial-scale=1">
		
		<style type="text/css">
			.div1 {
				background: #0050E3;
			}
			.div2:hover .div3 {
				background-color: red;
			}
		</style>
	</head>
	<body>
		<p style="width: 100%;text-align: center;font-size: 140px;height: 40px;">404</p>
		<p style="width: 100%;text-align: center;font-size: 40px;">Page Not Found</p>
		
		<div class="div1">
			<div class="div2">
				1111111111111111111
				<div class="div3">
					22222222222
				</div>
			</div>
		</div>
</html>